Home / 276,522.24-381,637.80-155,687.52

Finding the Fourth Proportional to 276,522.24, 381,637.80 and 155,687.52

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Solution

The fourth proportional to 276,522.24, 381,637.80 and 155,687.52 is: 214,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,522.24 : 381,637.80 = 155,687.52 : x
  2. Step 2: Convert to fraction form
    276,522.24/381,637.80 = 155,687.52/x
  3. Step 3: Cross multiply
    276,522.24x = 381,637.80 × 155,687.52
  4. Step 4: Simplify right side
    276,522.24x = 59,416,242,620.26
  5. Step 5: Solve for x
    x = 59,416,242,620.26/276,522.24
  6. Step 6: Final answer
    x = 214,869.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.